diff --git a/oclazyload/oclazyload-tests.ts b/oclazyload/oclazyload-tests.ts
index 3a436b14a..e9c4661e2 100644
--- a/oclazyload/oclazyload-tests.ts
+++ b/oclazyload/oclazyload-tests.ts
@@ -89,7 +89,7 @@ angular.module('app').controller(['$ocLazyLoadProvider', function ($ocLazyLoad:
         'testModule2.js'
     ]);
 
-    $ocLazyLoad.inject('testModule');
+    var promise: ng.IPromise<any> = $ocLazyLoad.inject('testModule');
 
     $ocLazyLoad.toggleWatch(true);
-}]);
\ No newline at end of file
+}]);